bugfix: DEBUG_SYNC() invoked with no THD

While DEBUG_SYNC doesn't make sense without a valid THD, it might be put in the code that's invoked both within and outside of a THD context (e.g. in maria_open(), there is no THD during recovery).
MariaDB · Feb 27, 2017 · 924a81a · 924a81a
1 parent 8897b50
commit 924a81a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/sql/debug_sync.cc b/sql/debug_sync.cc
@@ -1520,6 +1520,8 @@ static void debug_sync(THD *thd, const char *sync_point_name, size_t name_len)
 {
   if (!thd)
     thd= current_thd;
+  if (!thd)
+    return;
 
   st_debug_sync_control *ds_control= thd->debug_sync_control;
   st_debug_sync_action  *action;